Jacks and Shipmate

Jacks noun - A game in which jackstones are thrown and picked up in various groups between bounces of a small rubber ball.

Shipmate and jacks are semantically related. in sailor topic. In some cases you can use "Shipmate" instead a noun "Jacks".

Shipmate noun - An associate on the same ship with you.

Jacks and shipmate are semantically related. Sometimes you can replace term "Jacks" with "Shipmate", this nouns are similar.